html,
body {
  height: 100%;
  font-family: 'Microsoft YaHei';
  color: #333;
  background-color: #F5F5F5;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

.App,
#root {
  height: 100%;
}

ul,
ol {
  list-style: none;
}